discoloration

Hi everybody, this is my first post and I hope I am in the right place. To be honest I am desperate. I am close to tears so please bear with me. WARNING nasty photos enclosed. My 4 yo indian runner duck has had a vent small prolaps over easter, which we managed to get back in over the course...

Hey all! I have a mix of breeds, all 18 weeks old (Australorps, barred rocks, buff orpingtons) my orpingtons have black on their tail feathers (photos below) Mites? Disease? I checked and didn’t see any mites or bugs on them and I use the deep litter system for their coop so I can’t put DE in...